From 9dede10c7e66d3ccdecdc8369bbc6057ec8fbdca Mon Sep 17 00:00:00 2001
From: Pierre-Yves Chibon <pingou@pingoured.fr>
Date: Apr 21 2015 13:59:43 +0000
Subject: Handle the situation where the specified branch could not be found


---

diff --git a/pagure/ui/fork.py b/pagure/ui/fork.py
index 64a082a..901ddb3 100644
--- a/pagure/ui/fork.py
+++ b/pagure/ui/fork.py
@@ -256,7 +256,9 @@ def request_pull_patch(repo, requestid, username=None):
     orig_repo = pygit2.Repository(parentpath)
 
     branch = repo_obj.lookup_branch(request.branch_from)
-    commitid = branch.get_object().hex
+    commitid = None
+    if branch:
+        commitid = branch.get_object().hex
 
     diff_commits = []
     if not repo_obj.is_empty and not orig_repo.is_empty: